The Internet Storm Center (ISC) warns of usb cables that are sold and have a built-in sim card, mobile phone and microphone. Attackers could perform attacks or stolen data through such cables, according to Johannes Ullrich of the ISC.
For example, the $ 30-usb usb cable responds to text messages and can send those GPS coordinates. It is also possible to activate and listen to the microphone via a text message. "The main risk is to leave systems (and cables) left unattended in places with some public access," Ullrich notes. This applies, for example, to systems in hotel rooms or classrooms.
Users therefore get the advice to mark their cables so that they can not be replaced by other cables. In addition, the cables must be fastened. In conclusion, Ullrich states that the "usb spy cable" in question is easy to recognize when users know what to look for. "But I'm sure they can make a smaller cable and maybe a version that's a bit more expensive and not so easy to show the sim card."
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